EP0283030A3 - Device for measuring amount of engine suction air - Google Patents

Device for measuring amount of engine suction air Download PDF

Info

Publication number
EP0283030A3
EP0283030A3 EP88104354A EP88104354A EP0283030A3 EP 0283030 A3 EP0283030 A3 EP 0283030A3 EP 88104354 A EP88104354 A EP 88104354A EP 88104354 A EP88104354 A EP 88104354A EP 0283030 A3 EP0283030 A3 EP 0283030A3
Authority
EP
European Patent Office
Prior art keywords
suction air
measuring amount
engine suction
engine
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88104354A
Other versions
EP0283030A2 (en
EP0283030B1 (en
Inventor
Kazumichi Mitsubishi Denki K.K. Tutumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=13271487&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0283030(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP0283030A2 publication Critical patent/EP0283030A2/en
Publication of EP0283030A3 publication Critical patent/EP0283030A3/en
Application granted granted Critical
Publication of EP0283030B1 publication Critical patent/EP0283030B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
    • G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
    • G01F1/32—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/325—Means for detecting quantities used as proxy variables for swirl
    • G01F1/3287—Means for detecting quantities used as proxy variables for swirl circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
EP88104354A 1987-03-19 1988-03-18 Device for measuring amount of engine suction air Expired - Lifetime EP0283030B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62064903A JPS63231221A (en) 1987-03-19 1987-03-19 Measuring instrument for intake air quantity of engine
JP64903/87 1987-03-19

Publications (3)

Publication Number Publication Date
EP0283030A2 EP0283030A2 (en) 1988-09-21
EP0283030A3 true EP0283030A3 (en) 1989-10-11
EP0283030B1 EP0283030B1 (en) 1991-11-13

Family

ID=13271487

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88104354A Expired - Lifetime EP0283030B1 (en) 1987-03-19 1988-03-18 Device for measuring amount of engine suction air

Country Status (5)

Country Link
US (1) US4850218A (en)
EP (1) EP0283030B1 (en)
JP (1) JPS63231221A (en)
KR (1) KR910003446B1 (en)
DE (1) DE3866136D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920010913B1 (en) * 1988-04-19 1992-12-24 미쓰비시전기 주식회사 Vortex flowmeter
US5014550A (en) * 1990-05-03 1991-05-14 General Motors Corporation Method of processing mass air sensor signals
DE4413078A1 (en) * 1994-04-15 1995-10-19 Bosch Gmbh Robert Device for detecting a pulsating variable
US7716207B2 (en) * 2002-02-26 2010-05-11 Odom Paul S Search engine methods and systems for displaying relevant topics
WO2004005686A1 (en) * 2002-07-02 2004-01-15 Robert Bosch Gmbh Method and device for the control of an internal combustion engine
US8056424B2 (en) * 2009-09-17 2011-11-15 Sean P. Palacios Multi-channel flow sensor with extended flow range and faster response
DE102011009894A1 (en) * 2011-01-31 2012-08-02 Krohne Messtechnik Gmbh Vortex flowmeter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084232A1 (en) * 1981-12-10 1983-07-27 The Babcock & Wilcox Company Filter circuits for reducing vibration sensitivity in vortex shedding flowmeter signal generators
DE3446746A1 (en) * 1984-04-10 1985-10-17 Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig Circuit arrangement for processing signals from volume flow sensors in accordance with the vortex detachment process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4270391A (en) * 1979-08-24 1981-06-02 Fischer & Porter Co. Frequency-responsive filter for flowmeter transmission system
JPS6046365B2 (en) * 1981-06-16 1985-10-15 三菱電機株式会社 Internal combustion engine intake air amount measuring device
JPS586225U (en) * 1981-07-03 1983-01-14 日産自動車株式会社 Signal processing device for Karman vortex flowmeter for measuring engine intake flow rate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084232A1 (en) * 1981-12-10 1983-07-27 The Babcock & Wilcox Company Filter circuits for reducing vibration sensitivity in vortex shedding flowmeter signal generators
DE3446746A1 (en) * 1984-04-10 1985-10-17 Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig Circuit arrangement for processing signals from volume flow sensors in accordance with the vortex detachment process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 64 (P-183)[1209], 17th March 1983; & JP-A-57 207 823 (MITSUBISHI DENKI K.K.) 20-12-1982 *

Also Published As

Publication number Publication date
KR910003446B1 (en) 1991-05-31
KR880011567A (en) 1988-10-29
JPS63231221A (en) 1988-09-27
EP0283030A2 (en) 1988-09-21
EP0283030B1 (en) 1991-11-13
DE3866136D1 (en) 1991-12-19
US4850218A (en) 1989-07-25

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